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Works 100% offline — test in Airplane Mode
100% client-side JavaScript. Proprietary code and prompts never leave your browser.
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Claude Code & Codex Session Log Viewer

Inspect, filter, and analyze multi-turn Claude Code & Codex CLI session transcripts (transcript.jsonl) in a clean chat interface. 100% private & in-browser.

Run as Standalone Desktop App
Install directly to your Mac Dock or download as a 100% offline standalone HTML app.
A 📁 Pick Claude & Codex Folders (Zero Upload)

Choose your ~/.claude, ~/.codex, or workspace folders. Both are saved locally and can be refreshed in 1-click:

B 📋 1-Click Clipboard Paste

Copy log text or run the terminal one-liner below, then click to load instantly:

C ⚡ Terminal Quick Copy One-Liner

Copies your latest Claude Code or Codex session directly to your clipboard:

📋 cat $(ls -t ~/.claude/... | head -n1) | pbcopy

⚡ Want live floating session tracking in macOS? L2Cache for Mac automatically monitors Claude Code & Codex sessions in your menu bar with 1-click terminal resumption.
Get L2Cache ($4.99)
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Drag & Drop Claude or Codex transcript.jsonl files or folders here
Indexes Claude Code transcripts, OpenAI Codex memories, and Antigravity logs into one unified index.

Frequently Asked Questions

❓ Where does Claude Code save its session history on macOS?

Claude Code stores all conversation logs as JSON Lines files in ~/.claude/projects/<project-name>/transcript.jsonl. Run open ~/.claude/projects/ in your Mac terminal to open the folder directly in Finder.

❓ Is it safe to drop proprietary company code logs into this viewer?

Yes, 100%. This tool operates completely in-browser on your local machine using vanilla JavaScript. No logs, prompts, or tool outputs are sent over the network. You can verify this by running the page in Airplane Mode.

❓ How can I search past Claude Code sessions natively on Mac?

L2Cache for Mac automatically indexes your local ~/.claude/projects/ and ~/.codex/memories.sqlite databases in real time, giving you global hotkey access (⌥ + Space), fast FTS5 search across all turns, and 1-click terminal resumption.

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